4. Linear Equations in Two Variables
easy

સમીકરણ $3 x+a y=7$ નો આલેખ બિંદુ $(3,-1)$ માંથી પસાર થાય, તો $a =$ ....... .

A

$1$

B

$2$

C

$3$

D

$4$

Solution

$2$

Standard 9
Mathematics

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